jQuery.Util = {
	/**
	 * {"id":"fileuplodeDiv":"num":1,"data":[{"name:"文件1.txt","url":"http://localhost:8080/*.txt"}]}
	 */
	fileupload : function(opt, successFun) {
		var id = opt.id;
		var fileNum = opt.num;
		var fileList = opt.data;
		
		if(!fileNum){
			fileNum = 0;
		}
		
		var $ = jQuery;
		var uploader;
		var uploaderId = id + "-uploader";
		var html = "<div id='"
				+ uploaderId
				+ "' class='webuploader'>"
				+ "<div id='filePicker'></div>"
				+ "<div class='queueList'>"
				+ "<ul class='filelist'>"
				+ "</ul>"
				+ "</div>"
				+ "<div class='statusBar' style='display: none;'>"
				+ "<div class='progress'>"
				+ "<span class='text'>0%</span> <span class='percentage'></span>"
				+ "</div>" + "<div class='info'></div>" + "<div class='btns'>"
				+ "<div id='filePicker2'></div>"
				+ "<div class='uploadBtn'>开始上传</div>" + "</div>" + "</div>"
				+ "</div>";
		$("#" + id).html(html);

		if (fileList) {
			for (i = 0; i < fileList.length; i++) {
				var file = fileList[i];
				var fileHtml = '<li id="' + file.id + '">' + '<p class="title">'
					+ file.name + ' </p>'  + '</li>';
				$("#" + id + " .filelist").append(fileHtml);
			}
		}

		var $wrap = $('#' + uploaderId),

		// 图片容器
		$queue = $('<ul class="filelist"></ul>').appendTo(
				$wrap.find('.queueList')),

		// 状态栏，包括进度和控制按钮
		$statusBar = $wrap.find('.statusBar'),

		// 文件总体选择信息。
		$info = $statusBar.find('.info'),

		// 上传按钮
		$upload = $wrap.find('.uploadBtn'),

		// 没选择文件之前的内容。
		$placeHolder = $wrap.find('.placeholder'),

		// 总体进度条
		$progress = $statusBar.find('.progress').hide(),

		// 添加的文件数量
		fileCount = fileNum,

		// 添加的文件总大小
		fileSize = 0,

		// 优化retina, 在retina下这个值是2
		ratio = window.devicePixelRatio || 1,

		// 缩略图大小
		thumbnailWidth = 110 * ratio, thumbnailHeight = 110 * ratio,

		// 可能有pedding, ready, uploading, confirm, done.
		state = 'pedding',

		// 所有文件的进度信息，key为file id
		percentages = {},

		supportTransition = (function() {
			var s = document.createElement('p').style, r = 'transition' in s
					|| 'WebkitTransition' in s || 'MozTransition' in s
					|| 'msTransition' in s || 'OTransition' in s;
			s = null;
			return r;
		})(),

		// WebUploader实例
		uploader;

		if (!WebUploader.Uploader.support()) {
			$.ui.alert('Web Uploader 不支持您的浏览器！如果你使用的是IE浏览器，请尝试升级 flash 播放器');
			throw new Error(
					'WebUploader does not support the browser you are using.');
		}

		// 实例化
		uploader = WebUploader.create({
			pick : {
				id : '#filePicker',
				label : '添加文件'
			},
			dnd : '#' + uploaderId + ' .queueList',
			paste : document.body,

			accept : {
				extensions : '*',
				mimeTypes : '*/*'
			},

			// swf文件路径
			swf : path + '/admin/ext/webuploader/Uploader.swf',

			// 文件接收服务端。
			server : path + '/admin/attach/upload',

			disableGlobalDnd : true,

			chunked : true,
			fileNumLimit : 10,
			fileSizeLimit : 5 * 1024 * 1024, // 200 M
			fileSingleSizeLimit : 5 * 1024 * 1024
		// 50 M
		});

		if(fileCount > 1){
			// 添加“添加文件”的按钮，
			uploader.addButton({
				id : '#filePicker2',
				label : '继续添加'
			});
		}

		// 当有文件添加进来时执行，负责view的创建
		function addFile(file) {
			var $li = $('<li id="' + file.id + '">' + '<p class="title">'
					+ file.name + ' </p>'  + ' </li>');

			var $btns =  $("<div class='file-panel'><span class='cancel' style='margin-left:20px;'>删除</span></div>").appendTo( $li );
			var $prgress = $li.find('p.progress span'), $wrap = $li
					.find('p.imgWrap'), $info = $('<p class="error"></p>'),

			showError = function(code) {
				switch (code) {
				case 'exceed_size':
					text = '文件大小超出';
					break;

				case 'interrupt':
					text = '上传暂停';
					break;

				default:
					text = '上传失败，请重试';
					break;
				}

				$info.text(text).appendTo($li);
			};

			if (file.getStatus() === 'invalid') {
				showError(file.statusText);
			} else {
				// @todo lazyload
				$wrap.text('预览中');
				uploader.makeThumb(file, function(error, src) {
					if (error) {
						$wrap.text('不能预览');
						return;
					}

					var img = $('<img src="' + src + '">');
					$wrap.empty().append(img);
				}, thumbnailWidth, thumbnailHeight);

				percentages[file.id] = [ file.size, 0 ];
				file.rotation = 0;
			}

			file.on('statuschange', function(cur, prev) {
				if (prev === 'progress') {
					$prgress.hide().width(0);
				} else if (prev === 'queued') {
					$li.off('mouseenter mouseleave');
					$btns.remove();
				}

				// 成功
				if (cur === 'error' || cur === 'invalid') {
					console.log(file.statusText);
					showError(file.statusText);
					percentages[file.id][1] = 1;
				} else if (cur === 'interrupt') {
					showError('interrupt');
				} else if (cur === 'queued') {
					percentages[file.id][1] = 0;
				} else if (cur === 'progress') {
					$info.remove();
					$prgress.css('display', 'block');
				} else if (cur === 'complete') {
					$li.append('<span class="success"></span>');
				}

				$li.removeClass('state-' + prev).addClass('state-' + cur);
			});

			$li.on('mouseenter', function() {
				$btns.stop().animate({
					height : 30
				});
			});

			$li.on('mouseleave', function() {
				$btns.stop().animate({
					height : 0
				});
			});
			
			$btns.on('click', 'span', function() {
				var index = $(this).index(), deg;

				switch (index) {
				case 0:
					uploader.removeFile(file);
					return;
				}
			});

			$li.appendTo($queue);
		}

		// 负责view的销毁
		function removeFile(file) {
			var $li = $('#' + file.id);

			delete percentages[file.id];
			updateTotalProgress();
			$li.off().find('.file-panel').off().end().remove();
		}

		function updateTotalProgress() {
			var loaded = 0, total = 0, spans = $progress.children(), percent;

			$.each(percentages, function(k, v) {
				total += v[0];
				loaded += v[0] * v[1];
			});

			percent = total ? loaded / total : 0;

			spans.eq(0).text(Math.round(percent * 100) + '%');
			spans.eq(1).css('width', Math.round(percent * 100) + '%');
			updateStatus();
		}

		function updateStatus() {
			var text = '', stats;

			if (state === 'ready') {
				text = '选中' + fileCount + '个文件，共'
						+ WebUploader.formatSize(fileSize) + '。';
			} else if (state === 'confirm') {
				stats = uploader.getStats();
				if (stats.uploadFailNum) {
					text = '已成功上传'
							+ stats.successNum
							+ '个成功，'
							+ stats.uploadFailNum
							+ '个失败'
				}

			} else {
				stats = uploader.getStats();
				text = '共' + fileCount + '个（'
						+ WebUploader.formatSize(fileSize) + '），已上传'
						+ stats.successNum + '个';

				if (stats.uploadFailNum) {
					text += '，失败' + stats.uploadFailNum + '个';
				}
			}

			$info.html(text);
		}

		function setState(val) {
			var file, stats;

			if (val === state) {
				return;
			}

			$upload.removeClass('state-' + state);
			$upload.addClass('state-' + val);
			state = val;

			switch (state) {
			case 'pedding':
				$placeHolder.removeClass('element-invisible');
				$queue.parent().removeClass('filled');
				$queue.hide();
				$statusBar.addClass('element-invisible');
				uploader.refresh();
				break;

			case 'ready':
				$placeHolder.addClass('element-invisible');
				$('#filePicker2').removeClass('element-invisible');
				$queue.parent().addClass('filled');
				$queue.show();
				$statusBar.removeClass('element-invisible');
				uploader.refresh();
				break;

			case 'uploading':
				$('#filePicker2').addClass('element-invisible');
				$progress.show();
				$upload.text('暂停上传');
				break;

			case 'paused':
				$progress.show();
				$upload.text('继续上传');
				break;

			case 'confirm':
				$progress.hide();
				$upload.text('开始上传').addClass('disabled');

				stats = uploader.getStats();
				if (stats.successNum && !stats.uploadFailNum) {
					setState('finish');
					return;
				}
				break;
			case 'finish':
				stats = uploader.getStats();
				debugger
				if (stats.successNum) {
					$.ui.alert('上传成功');
				} else {
					// 没有成功的图片，重设
					state = 'done';
					location.reload();
				}
				break;
			}

			updateStatus();
		}

		uploader.onUploadProgress = function(file, percentage) {
			var $li = $('#' + file.id), $percent = $li.find('.progress span');

			$percent.css('width', percentage * 100 + '%');
			percentages[file.id][1] = percentage;
			updateTotalProgress();
		};

		uploader.onFileQueued = function(file) {
			fileCount++;
			fileSize += file.size;

			if (fileCount === 1) {
				$placeHolder.addClass('element-invisible');
				$statusBar.show();
			}

			addFile(file);
			setState('ready');
			updateTotalProgress();
		};

		uploader.onFileDequeued = function(file) {
			fileCount--;
			fileSize -= file.size;

			if (!fileCount) {
				setState('pedding');
			}

			removeFile(file);
			updateTotalProgress();

		};

		uploader.onUploadSuccess = function(file, response) {
//			var name = $("input[name='files']");
//			if ($(name).val() == "") {
//				$(name).val(response.data);
//			} else {
//				$(name).val($(name).val() + "," + response.data);
//			}
			if(successFun != undefined){
				successFun(response.data);
			}
		};

		uploader.on('all', function(type) {
			var stats;
			switch (type) {
			case 'uploadFinished':
				setState('confirm');
				break;

			case 'startUpload':
				setState('uploading');
				break;

			case 'stopUpload':
				setState('paused');
				break;

			}
		});

		uploader.onError = function(code) {
			$.ui.alert('Eroor: ' + code);
		};

		$upload.on('click', function() {
			if ($(this).hasClass('disabled')) {
				return false;
			}

			if (state === 'ready') {
				uploader.upload();
			} else if (state === 'paused') {
				uploader.upload();
			} else if (state === 'uploading') {
				uploader.stop();
			}
		});

		$info.on('click', '.retry', function() {
			uploader.retry();
		});

		$info.on('click', '.ignore', function() {
			$.ui.alert('todo');
		});

		$upload.addClass('state-' + state);
		updateTotalProgress();

		return uploader;
	},
	
	imgUpload : function(opt, successFun) {
		var id = opt.id;
		var fileNum = opt.num;
		var fileList = opt.data;
		
		if(!fileNum){
			fileNum = 0;
		}
		
		var $ = jQuery;

		var uploader;
		var uploaderId = id + "-uploader";
		var html = "<div id='"
				+ uploaderId
				+ "' class='webuploader'>"
				+ "<div id='filePicker'></div>"
				+ "<div class='queueList'>"
				+ "<ul class='imgfilelist'>"
				+ "</ul>"
				+ "</div>"
				+ "<div class='statusBar' style='display: none;'>"
				+ "<div class='progress'>"
				+ "<span class='text'>0%</span> <span class='percentage'></span>"
				+ "</div>" + "<div class='info'></div>" + "<div class='btns'>"
				+ "<div id='filePicker2'></div>"
				+ "<div class='uploadBtn'>开始上传</div>" + "</div>" + "</div>"
				+ "</div>";
		$("#" + id).html(html);

		if (fileList) {
			for (i = 0; i < fileList.length; i++) {
				var file = fileList[i];
				var fileHtml = "<li>"
						+ "<p class='imgWrap'><img src=' "
						+ file.url
						+ " '></p><p class='progress'><span></span></p>"
						+ "<div class='file-panel' style='height: 25px;''><span class='cancel'>删除</span></div>"
						+ "</li>";
				$("#" + id + " .imgfilelist").append(fileHtml);
			}
		}

		var $wrap = $('#' + uploaderId),

		// 图片容器
		$queue = $('<ul class="imgfilelist"></ul>').appendTo(
				$wrap.find('.queueList')),

		// 状态栏，包括进度和控制按钮
		$statusBar = $wrap.find('.statusBar'),

		// 文件总体选择信息。
		$info = $statusBar.find('.info'),

		// 上传按钮
		$upload = $wrap.find('.uploadBtn'),

		// 没选择文件之前的内容。
		$placeHolder = $wrap.find('.placeholder'),

		// 总体进度条
		$progress = $statusBar.find('.progress').hide(),

		// 添加的文件数量
		fileCount = fileNum,

		// 添加的文件总大小
		fileSize = 0,

		// 优化retina, 在retina下这个值是2
		ratio = window.devicePixelRatio || 1,

		// 缩略图大小
		thumbnailWidth = 110 * ratio, thumbnailHeight = 110 * ratio,

		// 可能有pedding, ready, uploading, confirm, done.
		state = 'pedding',

		// 所有文件的进度信息，key为file id
		percentages = {},

		supportTransition = (function() {
			var s = document.createElement('p').style, r = 'transition' in s
					|| 'WebkitTransition' in s || 'MozTransition' in s
					|| 'msTransition' in s || 'OTransition' in s;
			s = null;
			return r;
		})(),

		// WebUploader实例
		uploader;

		if (!WebUploader.Uploader.support()) {
			$.ui.alert('Web Uploader 不支持您的浏览器！如果你使用的是IE浏览器，请尝试升级 flash 播放器');
			throw new Error(
					'WebUploader does not support the browser you are using.');
		}

		// 实例化
		uploader = WebUploader.create({
			pick : {
				id : '#filePicker',
				label : '上传图片'
			},
			dnd : '#' + uploaderId + ' .queueList',
			paste : document.body,

			accept : {
				title : 'Images',
				extensions : 'gif,jpg,jpeg,bmp,png',
				mimeTypes : 'image/*'
			},

			// swf文件路径
			swf : path + '/admin/ext/webuploader/Uploader.swf',

			// 文件接收服务端。
			server : path + '/admin/attach/upload',

			disableGlobalDnd : true,

			chunked : true,
			fileNumLimit : 10,
			fileSizeLimit : 5 * 1024 * 1024, // 200 M
			fileSingleSizeLimit : 5 * 1024 * 1024
		// 50 M
		});

		if(fileCount > 1){
			// 添加“添加文件”的按钮，
			uploader.addButton({
				id : '#filePicker2',
				label : '继续添加'
			});
		}

		// 当有文件添加进来时执行，负责view的创建
		function addFile(file) {
			var $li = $('<li id="' + file.id + '">' + '<p class="title">'
					+ file.name + '</p>' + '<p class="imgWrap"></p>'
					+ '<p class="progress"><span></span></p>' + '</li>'),

			$btns = $(
					'<div class="file-panel">'
							+ '<span class="cancel">删除</span>'
							+ '<span class="rotateRight">向右旋转</span>'
							+ '<span class="rotateLeft">向左旋转</span></div>')
					.appendTo($li), $prgress = $li.find('p.progress span'), $wrap = $li
					.find('p.imgWrap'), $info = $('<p class="error"></p>'),

			showError = function(code) {
				switch (code) {
				case 'exceed_size':
					text = '文件大小超出';
					break;

				case 'interrupt':
					text = '上传暂停';
					break;

				default:
					text = '上传失败，请重试';
					break;
				}

				$info.text(text).appendTo($li);
			};

			if (file.getStatus() === 'invalid') {
				showError(file.statusText);
			} else {
				// @todo lazyload
				$wrap.text('预览中');
				uploader.makeThumb(file, function(error, src) {
					if (error) {
						$wrap.text('不能预览');
						return;
					}

					var img = $('<img src="' + src + '">');
					$wrap.empty().append(img);
				}, thumbnailWidth, thumbnailHeight);

				percentages[file.id] = [ file.size, 0 ];
				file.rotation = 0;
			}

			file.on('statuschange', function(cur, prev) {
				if (prev === 'progress') {
					$prgress.hide().width(0);
				} else if (prev === 'queued') {
					$li.off('mouseenter mouseleave');
					$btns.remove();
				}

				// 成功
				if (cur === 'error' || cur === 'invalid') {
					console.log(file.statusText);
					showError(file.statusText);
					percentages[file.id][1] = 1;
				} else if (cur === 'interrupt') {
					showError('interrupt');
				} else if (cur === 'queued') {
					percentages[file.id][1] = 0;
				} else if (cur === 'progress') {
					$info.remove();
					$prgress.css('display', 'block');
				} else if (cur === 'complete') {
					$li.append('<span class="success"></span>');
				}

				$li.removeClass('state-' + prev).addClass('state-' + cur);
			});

			$li.on('mouseenter', function() {
				$btns.stop().animate({
					height : 30
				});
			});

			$li.on('mouseleave', function() {
				$btns.stop().animate({
					height : 0
				});
			});

			$btns.on('click', 'span', function() {
				var index = $(this).index(), deg;

				switch (index) {
				case 0:
					uploader.removeFile(file);
					return;

				case 1:
					file.rotation += 90;
					break;

				case 2:
					file.rotation -= 90;
					break;
				}

				if (supportTransition) {
					deg = 'rotate(' + file.rotation + 'deg)';
					$wrap.css({
						'-webkit-transform' : deg,
						'-mos-transform' : deg,
						'-o-transform' : deg,
						'transform' : deg
					});
				} else {
					$wrap.css('filter',
							'progid:DXImageTransform.Microsoft.BasicImage(rotation='
									+ (~~((file.rotation / 90) % 4 + 4) % 4)
									+ ')');
				}

			});

			$li.appendTo($queue);
		}

		// 负责view的销毁
		function removeFile(file) {
			var $li = $('#' + file.id);

			delete percentages[file.id];
			updateTotalProgress();
			$li.off().find('.file-panel').off().end().remove();
		}

		function updateTotalProgress() {
			var loaded = 0, total = 0, spans = $progress.children(), percent;

			$.each(percentages, function(k, v) {
				total += v[0];
				loaded += v[0] * v[1];
			});

			percent = total ? loaded / total : 0;

			spans.eq(0).text(Math.round(percent * 100) + '%');
			spans.eq(1).css('width', Math.round(percent * 100) + '%');
			updateStatus();
		}

		function updateStatus() {
			var text = '', stats;

			if (state === 'ready') {
				text = '选中' + fileCount + '张图片，共'
						+ WebUploader.formatSize(fileSize) + '。';
			} else if (state === 'confirm') {
				stats = uploader.getStats();
				if (stats.uploadFailNum) {
					text = '已成功上传'
							+ stats.successNum
							+ '张照片至XX相册，'
							+ stats.uploadFailNum
							+ '张照片上传失败，<a class="retry" href="#">重新上传</a>失败图片或<a class="ignore" href="#">忽略</a>'
				}

			} else {
				stats = uploader.getStats();
				text = '共' + fileCount + '张（'
						+ WebUploader.formatSize(fileSize) + '），已上传'
						+ stats.successNum + '张';

				if (stats.uploadFailNum) {
					text += '，失败' + stats.uploadFailNum + '张';
				}
			}

			$info.html(text);
		}

		function setState(val) {
			var file, stats;

			if (val === state) {
				return;
			}

			$upload.removeClass('state-' + state);
			$upload.addClass('state-' + val);
			state = val;

			switch (state) {
			case 'pedding':
				$placeHolder.removeClass('element-invisible');
				$queue.parent().removeClass('filled');
				$queue.hide();
				$statusBar.addClass('element-invisible');
				uploader.refresh();
				break;

			case 'ready':
				$placeHolder.addClass('element-invisible');
				$('#filePicker2').removeClass('element-invisible');
				$queue.parent().addClass('filled');
				$queue.show();
				$statusBar.removeClass('element-invisible');
				uploader.refresh();
				break;

			case 'uploading':
				$('#filePicker2').addClass('element-invisible');
				$progress.show();
				$upload.text('暂停上传');
				break;

			case 'paused':
				$progress.show();
				$upload.text('继续上传');
				break;

			case 'confirm':
				$progress.hide();
				$upload.text('开始上传').addClass('disabled');

				stats = uploader.getStats();
				if (stats.successNum && !stats.uploadFailNum) {
					setState('finish');
					return;
				}
				break;
			case 'finish':
				stats = uploader.getStats();
				if (stats.successNum) {
					$.ui.alert('上传成功');
				} else {
					// 没有成功的图片，重设
					state = 'done';
					location.reload();
				}
				break;
			}

			updateStatus();
		}

		uploader.onUploadProgress = function(file, percentage) {
			var $li = $('#' + file.id), $percent = $li.find('.progress span');

			$percent.css('width', percentage * 100 + '%');
			percentages[file.id][1] = percentage;
			updateTotalProgress();
		};

		uploader.onFileQueued = function(file) {
			fileCount++;
			fileSize += file.size;

			if (fileCount === 1) {
				$placeHolder.addClass('element-invisible');
				$statusBar.show();
			}

			addFile(file);
			setState('ready');
			updateTotalProgress();
		};

		uploader.onFileDequeued = function(file) {
			fileCount--;
			fileSize -= file.size;

			if (!fileCount) {
				setState('pedding');
			}

			removeFile(file);
			updateTotalProgress();

		};

		uploader.onUploadSuccess = function(file, response) {
			if(successFun != undefined){
				successFun(response.data);
			}
		};

		uploader.on('all', function(type) {
			var stats;
			switch (type) {
			case 'uploadFinished':
				setState('confirm');
				break;

			case 'startUpload':
				setState('uploading');
				break;

			case 'stopUpload':
				setState('paused');
				break;

			}
		});

		uploader.onError = function(code) {
			$.ui.alert('Eroor: ' + code);
		};

		$upload.on('click', function() {
			if ($(this).hasClass('disabled')) {
				return false;
			}

			if (state === 'ready') {
				uploader.upload();
			} else if (state === 'paused') {
				uploader.upload();
			} else if (state === 'uploading') {
				uploader.stop();
			}
		});

		$info.on('click', '.retry', function() {
			uploader.retry();
		});

		$info.on('click', '.ignore', function() {
			$.ui.alert('todo');
		});

		$upload.addClass('state-' + state);
		updateTotalProgress();

		return uploader;
	}
};
